Black Sisters and Marauders.Action start after 1:50 :)
Story:
Narcissa noticed that her cousin and his friends regular slip from Hogward. She discovered they are going to the left house. Narcissa persuaded sisters to check up what is being covered in the supposedly haunted house.
Bellatrix which keep closer contacts with Sirius knew that the house was hiding some secrets. However she didn't know exactly what it is. Sirius warned her during full moon not to approach the house.
However the curiosity turned out to be stronger than any warnings... Black Sisters decided to reveal Marauders' secrets...
Sirius and Bellatrix romance ;P
With happy end ;)
